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Piston Packing
Patent for extansible rings for piston packing.
Date:
November 21, 1916
Creator:
Miles, Charles H.
System:
The Portal to Texas History
Display Advertising Machine
Patent for rotating machine which will display papers or advertisements for cetain intervals of time before rotating and changing.
Date:
November 21, 1916
Creator:
Barnett, John B.
System:
The Portal to Texas History